Rate: 90 – 120 PLN/hour (B2B)
We are looking for an experienced Data Engineer to join Flix on a freelance/service agreement basis (B2B contract).
Scope of Services
As a Data Engineer at Flix, you can make an impact by building the data pipelines and products that power marketing budget decisions for one of Europe's fastest-growing mobility platforms and contributing to team’s expansion into marketing attribution.
About the Engagement
- Use Python, SQL, and Airflow to develop reliable data pipelines that empower marketing stakeholders with timely, actionable data
- Be a good judge of when to delegate to AI, when to trust, and when to meticulously review AI-generated work
- Ensure data quality through validation, monitoring, and clear documentation
- Participate in code reviews and contribute to engineering best practices within the team
- Collaborate with the Product Owner and team to understand marketing stakeholders' data needs and translate them into technical solutions
- Contribute to the design, optimization, and continuous improvement of scalable data pipelines and infrastructure
- Understand data products deeply enough to independently investigate data questions, spot anomalies, and explain what the numbers mean to non-technical stakeholders
About You
- 2–4 years of hands-on experience in data engineering
- Degree in Computer Science or a related field - candidates from Business or Marketing backgrounds with technical exposure are also welcome
- Solid experience with Python, CI/CD, Terraform, SQL, relational databases, and Git
- Familiar with ETL orchestration tools such as Airflow
- Naturally curious - comfortable digging into data independently to find the root cause, framing questions about data and developing deep domain expertise over time
- Communicates well and works effectively with both technical and non-technical stakeholders; fluent in English
- Preferred: experience with AWS, Docker, Kubernetes, or foundational marketing knowledge
Callibration model
- Cooperation based on a service agreement (B2B/freelance contract), not an employment contract
- You will operate as an independent contractor, responsible for delivering agreed services and submitting invoices
- Location: open for contractors based in Poland
Skills Required
- 2-4 years of hands-on data engineering experience
- Degree in Computer Science or a related field
- Technical exposure for candidates from Business or Marketing backgrounds
- Experience with Python
- Experience with CI/CD
- Experience with Terraform
- Experience with SQL
- Experience with relational databases
- Experience with Git
- Familiarity with ETL orchestration tools such as Airflow
- Fluent English communication
- Experience with AWS
- Experience with Docker
- Experience with Kubernetes
- Foundational marketing knowledge
What We Do
Flix is a global travel tech leader providing sustainable and affordable travel options to more than 60 million yearly travelers in 43 countries through its brands FlixBus, FlixTrain, Greyhound, and Kamil Koç. By combining network planning, marketing, and pricing, Flix uses innovative solutions to enable comfortable, sustainable, and affordable travel worldwide. Through our tech platform and user-friendly app, Flix creates a travel experience tailored to passengers' needs and connects travelers with local business partners providing transportation, ensuring a modern fleet that adheres to the highest safety standards. This asset-light business model has turned a European start-up into a leading and globally expanding travel-tech champion. Flix is pioneering and testing alternative drives with a long-term strategy to progressively decarbonize its fleet. Together with our partners and customers, we are driving transformative change towards the future of mobility, gradually reshaping the mobility sector and enabling more sustainable travel modes. Check out https://flix.careers/ to see how you can join our team. For our legal imprint click here: https://global.flixbus.com/legal-notice









